CVE-2021-40350 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can bypass authentication and perform arbitrary actions on Christie Digital projectors by sending a crafted administrative cookie.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-40350?

CVE-2021-40350 is a critical authentication bypass vulnerability in n/a, published on 1 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices allows attackers to perform any desired action via a crafted query containing an unspecified Cookie header. Authentication bypass can be achieved by including an administrative cookie that the device does not validate.

Weakness: CWE-287

Which versions are affected by CVE-2021-40350?

It affects 1 product.

Products include Christiedigital Dwu850-Gs Firmware.

How do I fix CVE-2021-40350?

No fix has been published for CVE-2021-40350 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-40350 being exploited?

There is no known exploitation of CVE-2021-40350 in the wild and no public exploit code.

Sources

Also known as GHSA-3fmh-frpw-xcrq.

Is CVE-2021-40350 in your software?

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